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Table 2 Geometric mean and 5-, 95% values for whole blood OC and Pb by covariates.

From: Immune function biomarkers in children exposed to lead and organochlorine compounds: a cross-sectional study

 

Category (n)

DDE (μg/L)

Sum of PCBs (μg/L)

HCB (μg/L)

γ-HCH (μg/L)

Pb (μg/L)

Gender

Girls (143)

0.32 (0.13 – 1.07)

0.43 (0.16 – 1.39)

0.21 (0.11 – 0.48)

0.02 (0.01 – 0.06)

25.4 (11.0 – 4 3.8)

 

Boy (188)

0.31 (0.13 – 0.96)

0.54 (0.19 – 1.66)

0.23 (0.11 – 0.54)

0.02 (0.01 – 0.04)

27.8 (14.8 – 48.2)

Age-groups

7 years (153)

0.32 (0.13 – 0.97)

0.54 (0.18 – 1.90)

0.23 (0.11 – 0.56)

0.02 (0.01 – 0.06)

27.3 (13.9 – 48.2)

 

8 years (166)

0.31 (0.13 – 0.98)

0.47 (0.18 – 1.29)

0.21 (0.11 – 0.48)

0.02 (0.01 – 0.05)

26.4 (10.7 – 47.8)

 

9–10 years (12)

0.31 (0.20 – 0.84)

0.33 (0.10 – 0.99)

0.17 (0.10 – 0.46)

0.02 (0.01 – 0.06)

25.4 (16.6 – 39.4)

Passive smoking in the child's home during the last 12 months (cigarettes per day)

None (220)

0.35 (0.14 – 1.08)

0.57 (0.21 – 1.70)

0.24 (0.11 – 0.55)

0.02 (0.01 – 0.06)

26.5 (10.1 – 47.4)

 

1 – 10 (84)

0.26 (0.12 – 0.88)

0.39 (0.17 – 1.02)

0.19 (0.11 – 0.45)

0.02 (0.01 – 0.05)

26.0 (16.0 – 43.0)

 

11 – 20 (18)

0.27 (0.09 – 0.69)

0.40 (0.13 – 1.29)

0.18 (0.10 – 0.49)

0.02 (0.01 – 0.04)

33.5 (18.9 – 113.7)

 

21 – 30 (8)

0.23 (0.13 – 1.11)

0.27 (0.18 – 0.34)

0.15 (0.11 – 0.21)

0.02 (0.01 – 0.04)

30.1 (19.4 – 47.3)

Number of infections during the last 12 months

None (19)

0.60 (0.16 – 4.02)

0.49 (0.10 – 2.24)

0.21 (0.10 – 0.58)

0.02 (0.01 – 0.08)

28.8 (15.9 – 58.7)

 

1 to < 5 (247)

0.31 (0.13 – 0.94)

0.49 (0.18 – 1.39)

0.22 (0.11 – 0.48)

0.02 (0.01 – 0.06)

26.2 (10.7 – 46.7)

 

5–10 (57)

0.29 (0.13 – 0.79)

0.53 (0.19 – 2.21)

0.23 (0.11 – 0.70)

0.02 (0.01 – 0.04)

27.9 (16.0 – 47.8)

 

>10 (7)

0.25 (0.16 – 0.43)

0.56 (0.34 – 0.87)

0.21 (0.15 – 0.27)

0.02 (0.01 – 0.05)

33.4 (26.2 – 48.5)